Full-time

Platform Security Engineer

Posted by ION • London, England, United Kingdom

📍 London, England 🕒 January 20, 2026

About the Role

The Role:ION Markets Information Security Team is looking to hire a Platform Security Engineer that support the division’s security strategy through definition and implementation of security controls across our platforms, infrastructure, and operational workflows.As the Platform Security Engineer, you will be responsible for designing and implementing end-to-end security controls across ION Markets on-premises infrastructure and other internal platforms. The role spans security architecture, engineering, and operations with a strong focus on automation, detection and secure by design principles. Additionally, as part of the role you will be participating in threat detection, incident response and vulnerability management remediation.You will be serving as an operational responder, working closely with Product, infrastructure and Security Operations teams.We are looking for a hard-working, dedicated and motivated individual. Excellent communication skills are a must, and the role...

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